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Segment Disclosure (Tables)
 3 Months Ended
Jan. 31, 2024
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information
Information by reportable segment is as follows:
 Three Months Ended 
 January 31,
 20242023
 (in thousands)
Total Segments:
Revenue$1,649,230 $1,361,340 
Adjusted operating income638,358 479,167 
Adjusted operating margin39 %35 %
Design Automation:
Revenue$985,339 $889,846 
Adjusted operating income364,883 346,009 
Adjusted operating margin37 %39 %
Design IP:
Revenue$525,650 $343,651 
Adjusted operating income249,494 117,625 
Adjusted operating margin47 %34 %
Software Integrity:
Revenue$138,241 $127,843 
Adjusted operating income23,981 15,533 
Adjusted operating margin17 %12 %
Schedule of Reconciliation of Operating Income From Segment Consolidation The unallocated expenses managed at a consolidated level, including amortization of acquired intangible assets, stock-based compensation, changes in the fair value of deferred compensation plan, restructuring charges, and acquisition/divestiture related items, are presented in the table below to provide a reconciliation of the total adjusted operating income from segments to our consolidated operating income:
 Three Months Ended 
 January 31,
 20242023
 (in thousands)
Total segment adjusted operating income$638,358 $479,167 
Reconciling items:
Amortization of acquired intangible assets
(27,053)(25,357)
Stock-based compensation expense(180,652)(134,227)
Deferred compensation plan(40,101)(20,197)
Restructuring charges— (40,859)
Acquisition/divestiture related items
(30,932)(2,595)
Total operating income$359,620 $255,932 
Schedule of Revenues Related to Operations by Geographic Areas Revenue related to operations in the United States and other geographic areas are: 
 Three Months Ended 
 January 31,
 20242023
 (in thousands)
Revenue:
United States$807,618 $671,782 
Europe159,113 135,007 
China249,975 197,778 
Korea184,600 145,792 
Other247,924 210,981 
Consolidated$1,649,230 $1,361,340